<!DOCTYPE html>
<html>
	<head>
		<style>
			body{text-align:center;background-color:Silver;}
			form{
				width:800px;
				display:inline-block;
				margin-top:100px;
			}
			input[type="text"]{
				min-width:500px;
				min-height:150px;
				color:#333;
				line-height:normal;
				font-family:"Microsoft YaHei",Tahoma,Verdana,SimSun;
				font-style:normal;
				font-variant:normal;
				font-size-adjust:none;
				font-stretch:normal;
				font-weight:normal;
				margin-top:0px;
				margin-bottom:0px;
				margin-left:0px;
				padding-top:4px;
				padding-right:4px;
				padding-bottom:4px;
				padding-left:4px;
				font-size:15px;
				outline-width:medium;
				outline-style:none;
				outline-color:invert;
				border-top-left-radius:3px;
				border-top-right-radius:3px;
				border-bottom-left-radius:3px;
				border-bottom-right-radius:3px;
				text-shadow:0px 1px 2px #fff;
				background-attachment:scroll;
				background-repeat:repeat-x;
				background-position-x:left;
				background-position-y:top;
				background-size:auto;
				background-origin:padding-box;
				background-clip:border-box;
				background-color:rgb(255,255,255);
				margin-right:8px;
				border-top-color:#ccc;
				border-right-color:#ccc;
				border-bottom-color:#ccc;
				border-left-color:#ccc;
				border-top-width:1px;
				border-right-width:1px;
				border-bottom-width:1px;
				border-left-width:1px;
				border-top-style:solid;
				border-right-style:solid;
				border-bottom-style:solid;
				border-left-style:solid;
			}
			input[type="text"]:focus {
				 border: 1px solid #fafafa;
				-webkit-box-shadow: 0px 0px 6px #007eff;
				 -moz-box-shadow: 0px 0px 5px #007eff;
				 box-shadow: 0px 0px 5px #007eff;   
			}
			input[type="submit"]{
				min-width:100px;
				min-height:30px;
			}
		</style>
	</head>
	<body>
		<form action="/broadcast" method="get">
			<input type="text" name="msg" id="msg">
			<input type="submit" value="发送">
		</form>
	</body>
</html>